PCD237A101 | 3BHE028915R0101 | Profibus-DP Master Module

Parameter Name Parameter Value
Product Model ​​PCD237A101 3BHE028915R0101​​
Manufacturer ​​ABB​​
Product Type Profibus-DP Master Module
Bus Protocol EN 50170 Profibus-DP V1
Port Configuration 2x RS-485 (electrically isolated)
Baud Rate 9.6Kbps – 12Mbps (autonegotiation)
Max Stations 124 nodes / 244 expandable devices
I/O Throughput 244 bytes input / 244 bytes output per cycle
Cycle Time <1ms (at 12Mbps with 32 bytes)
Power Supply 24VDC ±10% (via S800 baseplate)
Operating Temp -25°C to +70°C
Housing Protection IP20 (requires enclosure)
Safety Certification SIL 2 (IEC 61508), ATEX Cat 3
Fault Tolerance Redundancy switchover <100ms
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Description

Product Overview​​
The ​​ABB PCD237A101 3BHE028915R0101​​ is a high-performance Profibus-DP master communication module designed for ABB’s flagship 800xA and Symphony Plus DCS platforms. As a critical component of the S800 I/O family, this ruggedized module enables deterministic integration of field devices into distributed control architectures. Equipped with a triple-redundant protocol engine, the ​​ABB PCD237A101 3BHE028915R0101​​ delivers sub-ms data exchange with up to 5,000 I/O points while maintaining SIL 2 functional safety compliance. Its patented “Hot Dualization” technology supports live module replacement without process interruption, making it indispensable for continuous process industries where network uptime directly impacts profitability.

​​## Technical Specifications​​

Parameter Name Parameter Value
Product Model ​​PCD237A101 3BHE028915R0101​​
Manufacturer ​​ABB​​
Product Type Profibus-DP Master Module
Bus Protocol EN 50170 Profibus-DP V1
Port Configuration 2x RS-485 (electrically isolated)
Baud Rate 9.6Kbps – 12Mbps (autonegotiation)
Max Stations 124 nodes / 244 expandable devices
I/O Throughput 244 bytes input / 244 bytes output per cycle
Cycle Time <1ms (at 12Mbps with 32 bytes)
Power Supply 24VDC ±10% (via S800 baseplate)
Operating Temp -25°C to +70°C
Housing Protection IP20 (requires enclosure)
Safety Certification SIL 2 (IEC 61508), ATEX Cat 3
Fault Tolerance Redundancy switchover <100ms

​​## Key Features and Advantages​​
​​Military-Grade Reliability​​
Featuring conformal-coated PCBs and gold-plated connectors, the ​​PCD237A101 3BHE028915R0101​​ withstands corrosive industrial environments where humidity exceeds 95% non-condensing. Its dual watchdogs (hardware + software) detect communication faults in <500ms, triggering automatic bus reset.

PCD230A101 3BHE022291R0101

​​Cybersecurity by Design​​
Integrated hardware firewall enforces IEC 62443 security standards, blocking unauthorized Profibus traffic. Unique MAC address authentication prevents device spoofing, while configurable data encryption (AES-128) protects critical process parameters.

​​Diagnostic Superiority​​
Real-time eye diagram analysis through TP1 test point enables predictive maintenance. Optical LEDs display detailed status: bus voltage fluctuations (±0.1V precision), station count anomalies, and frame error rates exceeding 10⁻⁶. The module’s 15-year service life is validated by accelerated lifecycle testing per IEC 60721-3-4.

​​## Application Areas​​
The ​​ABB PCD237A101 3BHE028915R0101​​ dominates mission-critical scenarios: Petrochemical plants leverage its SIL 2 compliance to integrate safety valves and ESD systems across 3km Profibus segments without signal repeaters. Power generation facilities synchronize turbine governors using the module’s deterministic 1ms update cycles, achieving grid frequency synchronization within ±0.05Hz.

In mining operations, the vibration-resistant design (tested to 5g RMS) maintains communication continuity across conveyor networks subjected to constant shock loads. Food processing plants benefit from wash-down compatible sealing kits, enabling direct CIP/SIP cleaning without enclosure removal.

​​## Related Products​​

  1. ​​3BSE013240R1​​ – CI854A Profibus DP Interface Module (800xA backbone)
  2. ​​SD821​​ – S800 I/O Analog Input Module (process variable integration)
  3. ​​PCD235A101​​ – FOUNDATION Fieldbus H1 Master (alternative protocol)
  4. ​​3BHE039203R0004-TEI73​​ – Temperature Input Module (companion I/O)
  5. ​​3BHE027160R0001-CLM01​​ – CombiLink Module (backplane extender)
  6. ​​PCD237B​​ – Next-gen version (supports Profibus PA)
  7. ​​SCY21263​​ – Termination Resistor Kit (bus segment completion)
  8. ​​DNP90​​ – Diagnostic Network Probe (troubleshooting tool)
  9. ​​3BHE046234R0001​​ – S800 Baseplate (redundant power carrier)
  10. ​​TSPP001​​ – Battery Kit (backup for config retention)

 

 

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